diff --git a/talk/talk.tex b/talk/talk.tex
index 63e6a2f..558c71b 100644
--- a/talk/talk.tex
+++ b/talk/talk.tex
@@ -91,8 +91,8 @@
         \item Projects $P=\{p_1,\dots,p_m\}$ \pause
             \begin{itemize}
                 \setlength{\itemsep}{.7\baselineskip}
-                \item Each project $p\in P$ has associated cost \pause
-                    $c(p):P\rightarrow\mathbb{R}$
+                \item Each project $p\in P$ has associated cost
+                    $c(p):P\rightarrow\mathbb{R}$ \pause
                 \item Projects are either divisible or indivisible (discrete)
                     \pause
             \end{itemize}
diff --git a/talk/voting_referendum.png b/talk/voting_referendum.png
new file mode 100644
index 0000000..0f2d214
Binary files /dev/null and b/talk/voting_referendum.png differ